package com.atguigu.tingshu.album.mapper;

import com.atguigu.tingshu.model.album.TrackInfo;
import com.atguigu.tingshu.query.album.TrackInfoQuery;
import com.atguigu.tingshu.vo.album.AlbumTrackListVo;
import com.atguigu.tingshu.vo.album.TrackListVo;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;

@Mapper
public interface TrackInfoMapper extends BaseMapper<TrackInfo> {


    IPage<TrackListVo> selectUserTrackPage(Page<TrackListVo> trackListVoPage,  @Param("vo") TrackInfoQuery trackInfoQuery);

    @Update("update track_info set order_num = order_num - 1 where album_id = #{albumId} and order_num > #{orderNum} and is_deleted = 0")
    int updateOrderNum(@Param("albumId") Long albumId, @Param("orderNum") Integer orderNum);

    @Select("select\n" +
            "    track.id track_id,\n" +
            "    track.track_title,\n" +
            "    track.media_duration,\n" +
            "    track.order_num,\n" +
            "    track.create_time,\n" +
            "    max(if(stat.stat_type='0701',stat.stat_num,0)) playStatNum,\n" +
            "    max(if(stat.stat_type='0704',stat.stat_num,0)) commentStatNum\n" +
            "    from track_info track inner join track_stat stat on track.id = stat.track_id\n" +
            "where track.album_id = #{albumId} and track.is_deleted = 0\n" +
            "group by track.id")
    IPage<AlbumTrackListVo> selectAlbumTrackPage(Page<AlbumTrackListVo> trackListVoPage, @Param("albumId") Long albumId);
}
